Guaranteed leakproof and perfect for backpacking, trekking, walking or general travel. This portable container is shaped to fit your hand and weighs 80% less than conventional hard plastic bottles.
* Collapsible design allows you to roll bottle up for easy, compact storage
* Bottle is tough enough to be frozen or boiled
* Modular design lets you create your own system
* Gusseted bottom keeps bottle upright for easier filling